Through meditation on the forms of God and through repetition of mantras, the mind becomes one-pointed. The mind will always be wandering. Just as when a chain is given to an elephant to hold in its trunk it will go along grasping the chain and nothing else, so also when the mind is occupied with a name or form it will grasp that alone. When the mind expands in the form of countless thoughts, each thought becomes weak; but as thoughts get resolved the mind becomes one-pointed and strong;
